21268058

素因数分解:

$2^1\times 7^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 40

約数和(自身を含む): 38452128

約数和(自身を除く): 17184070

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 103, 206, 301, 343, 602, 686, 721, 1442, 2107, 2401, 4214, 4429, 4802, 5047, 8858, 10094, 14749, 29498, 31003, 35329, 62006, 70658, 103243, 206486, 217021, 247303, 434042, 494606, 1519147, 3038294, 10634029, 21268058]

約数ペア:

[(1, 21268058), (2, 10634029), (7, 3038294), (14, 1519147), (43, 494606), (49, 434042), (86, 247303), (98, 217021), (103, 206486), (206, 103243), (301, 70658), (343, 62006), (602, 35329), (686, 31003), (721, 29498), (1442, 14749), (2107, 10094), (2401, 8858), (4214, 5047), (4429, 4802)]